2 answers:
Answer:
x = 7
Step-by-step explanation:
-7x= -8x+7
Add 8x to each side
-7x+8x= -8x+8x+7
x = 7
Answer:
The value of 
:
Step-by-step explanation:
Solve for :
Add both sides by 
:
So, the final answer is .
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It is the second one
it is the letter b
